package main 
import (
	"fmt"
)

func main(){
	words:="L fdph, L vdz, L, frqtxhuhg."
	for i:=0;i<len(words);i++{
		c:=words[i]
		if (c>'c'&&c<='z')||(c>='C'&&c<='Z'){
			c-=3
		}

		if c=='a'||c=='b'||c=='c'||c=='A'||c=='B'||c=='C'{
			c+=23
		}

		fmt.Printf("%c",c)
	}

	fmt.Println();
}